gimp-temp-160960.exr in GIMP\2.10\tmp

gimp-temp-160960.exr in GIMP\2.10\tmp

gimp-temp-160960.exr in GIMP\2.10\tmp is 244 MB. Since that is a temporary
folder, why has that file not been deleted when GIMP was closed? Can it be
manually deleted, especially since I have moved my tmp file to another drive?